24.30%
Denominator: 996 conclusive domains. Coverage: 99.60% of the panel.
Provenance
This is why this page exists: the exact run that produced this figure, frozen alongside it rather than left to be inferred later.
| Vintage | 1 |
|---|---|
| Methodology | agents=2;protego=0.6.2 |
| Collector | 8714ecc+ad91b09+f9eeaac |
| Computed at |
Every series value for this period
| Series | Value |
|---|---|
| Effective (named or blanket) | 27.31% |
| Blanket disallow (closed to every crawler) | 5.82% |
| Coverage | 99.60% |
| Unreadable robots.txt | 0.20% |
| Change (week over week) | 0.00% |
| AI2Bot | 5.82% |
| AI2Bot-Dolma | 4.72% |
| Amazonbot | 9.84% |
| Applebot-Extended | 11.04% |
| Brightbot | 3.51% |
| Bytespider | 14.66% |
| CCBot | 16.27% |
| ChatGLM-Spider | 3.11% |
| ChatGPT-User | 11.14% |
| Claude-SearchBot | 8.73% |
| Claude-User | 8.13% |
| Claude-Web | 8.33% |
| ClaudeBot | 15.26% |
| DeepSeekBot | 4.32% |
| Devin | 2.61% |
| Diffbot | 9.84% |
| DuckAssistBot | 6.93% |
| GPTBot | 16.57% |
| Gemini-Deep-Research | 3.11% |
| Google-CloudVertexBot | 5.32% |
| Google-Extended | 14.26% |
| Google-NotebookLM | 2.71% |
| GoogleAgent-Mariner | 2.31% |
| ImagesiftBot | 7.03% |
| MistralAI-User | 5.42% |
| OAI-SearchBot | 10.14% |
| PanguBot | 5.12% |
| Perplexity-User | 7.53% |
| PerplexityBot | 14.06% |
| PhindBot | 2.51% |
| SBIntuitionsBot | 2.91% |
| TavilyBot | 2.31% |
| Timpibot | 7.73% |
| WrtnBot | 2.41% |
| YouBot | 8.13% |
| anthropic-ai | 9.44% |
| cohere-ai | 9.84% |
| cohere-training-data-crawler | 5.22% |
| iaskspider | 2.61% |
| meta-externalagent | 11.75% |
| meta-externalfetcher | 6.63% |
| meta-webindexer | 3.41% |
| omgili | 9.64% |
| omgilibot | 8.13% |
| webzio-extended | 5.92% |
Restatements
This period has never been restated: the value above is the only one ever published for it.
Suggested citation
Agent Accessibility Index, 2026-10-12: 24.30% (vintage 1). https://allanderek.github.io/tallyhouse/agent-accessibility/releases/2026-10-12/index.html
The two ledgers below carry this period's rows among every other period's; anything named for this period alone is listed with them.
Downloads
Every figure published on this site can be re-derived from these files. The two ledgers below are served as the exact bytes committed to the repository, not regenerated.
| File | Rows | Size | Description |
|---|---|---|---|
| Headline ledger | 24 | 3.1 KB | Every headline figure ever published, for both indices, including superseded vintages and the reason each was restated. Served as the exact bytes committed to the repository. |
| Series ledger | 1148 | 158.9 KB | Every sub-series: the per-crawler rates, effective and blanket blocking, coverage, the unreadable share and the like-for-like change. Same vintage rules as the headline ledger, same exact bytes. |